# Accident 20110418010802A: Air Tractor Inc AT-502B, Marston, MO, April 18, 2011

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: April 18, 2011, 18:45 local time
- Place: Marston, MO
- Damage: Substantial damage
- Collision: Midair collision
- Phase of flight: Climb
- Operating rules: Agricultural (Part 137)
- Operator: PHMG
- Location: 36.5644° N, 89.5814° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=36.5644&lon=-89.5814&mi=10
- Aircraft: N8516K, registered now (https://openairdocs.org/aircraft/N8516K) (OpenAirDocs)
- Registry model: Air Tractor AT-502B (registry code 0390307, https://openairdocs.org/model/air-tractor-at-502b) (OpenAirDocs)
- Registry engine: Pratt & Whitney PT6A series (registry code 52034, https://openairdocs.org/engine/pratt-whitney-pt6a-series) (OpenAirDocs)
- Reported make and model: AIR TRACTOR INC AT-502B
- Reported engine: P&W PT6A SERIES
- People aboard: 1
- Fatal injuries: 0
- Other injuries: 0
- Pilot certificates: Commercial pilot, flight instructor
- Pilot flight hours: 5,447 total, 1,031 in this make and model, 11 in the last 90 days
- NTSB investigation: [NTSB CEN11LA296](https://openairdocs.org/ntsb/CEN11LA296) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20110418010802A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

BOTH AIRCRAFT WERE ENGAGED IN AERIAL APPLICATION. AT-802A N802KC WAS INBOUND SOUTHWEST TO NEW MADRID COUNTY AIRPORT (EIW) FROM A FIELD TO THE NORTHEAST OF EIW.  THE AT-502B N8516K HAD JUST LOADED AND DEPARTED EIW ON RUNWAY 18, TURNED EAST, THEN TO THE NORTHEAST OF EIW.  CLIMBING TO AN ALTITUDE OF APPROXIMATELY 500 FEET AGL, AS STATED BY THE PILOT OF N8516K, ^PRIVACY DATA OMITTED^, TO RETURN TO A FIELD NORTHWEST OF EIW.  AT APPROXIMATELY TWO MILES NORTHEAST OF EIW, THE TWO AIRCRAFT IMPACTED.  N8516K MADE A PULL UP EVASIVE MANEUVER AT SIGHT OF N802KC.  THE RIGHT LANDING GEAR OF N8516K MADE CONTACT WITH THE VERTICAL STABILIZER OF N802KC.  THE VERITICAL STABILIZER AND RUDDER ASSEMBLY DEPARTED N802KC, AND THE RIGHT MAIN LANDING GEAR AND TIRE ASSEMBLY DEPARTED N8516K.  THE WINDSCREEN AND RIGHT WINDOW PLEXIGLASS FROM N802KC WAS LOCATED IN THE DEBRIS PATH WITH THE VERTICAL STABLILIZER PARTS PRIOR TO THE GROUND IMPACT OF N802KC.  AT GROUND IMPACT, N802KC MADE CONTACT WITH A UTILITY POLE WITH THE RIGHT WING, FOLLOWED BY THE TAIL SECTION, WHICH WAS TORN FROM THE FUSELAGE.  THERE WAS A POST IMPACT FIRE IN THE ENGINE AND HOPPER AREA.  ANY EXCESS FUEL OR CHEMICAL WAS CONTAINED IN A SHALLOW DITCH, WHICH THE AIRCRAFT'S FUSELAGE AND WING ASSEMBLY RESTED OVER.  THERE WAS NO EVIDENCE OF CHEMICAL NOTED IN THE IMMEDIATE AREA.  N8516K WAS ABLE TO RETURN TO EIW, TOUCHING GROUND JUST RIGHT OF RUNWAY 18 IN THE GRASS AND COMING TO A STOP ON RUNWAY 18. THERE WAS NO POST IMPACT FIRE, RIGHT WING RECEIVED IMPACT DAMAGE ON THE UNDERSIDE, NO FUEL IN RIGHT WING AND NO CHEMICAL IN THE HOPPER AND NO CHEMICAL IN THE IMMEDIATE AREA.  THE PILOT OF N802KC, ^PRIVACY DATA OMITTED^, WAS EXTRACTED FROM THE AIRCRAFT AND AIRLIFTED TO CAPE GIRARDEAU, MO IN CRITICAL CONDITION.  THE PILOT OF N8615K, ^PRIVACY DATA OMITTED^, DID NOT SUSTAIN ANY NOTED PHYSICAL INJURIES.  BOTH PILOTS HOLD VALID PILOT CERTIFICATES, AND BOTH AIRCRAFT ARE WITHIN THEIR RESPECTIVE MAINTENANCE INSPECTION INTERVALS.

## Other aircraft in the event

- N802KC, Air Tractor Inc AT-802A: [Accident 20110418010792A](https://openairdocs.org/incident/20110418010792A)

## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB CEN11LA296](https://openairdocs.org/ntsb/CEN11LA296), Apr 19, 2011: Air Tractor AT-502B (N8516K), New Madrid, MO, substantial damage. Probable cause: The failure of both pilots to see and avoid the other airplane, which resulted in a midair collision.

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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